check it out. >> jonathan? >> something i did know that i don't think the audience knows, nelson mandela was a big gay and lesbian rights supporter. when he became president of south africa, the new constitution in south africa, the first in the world includes discrimination protection for people based on sexual orientation. that came within less than six months of his becoming president. >> i didn't know that. that's amazing. thanks for sharing that. isaac. >> boris johnson, the conservative mayor of london, got in hot water this week. he praised the lords of finance praised greed, and said one of the reasons we have inequality is because people are too stupid at the bottom, their iqs are too low. then he went on a london radio show and failed an iq test. >> that is one of the greatest postscripts ever. my thanks to you all. new up against the clock champion isaac. all-time high score. very impressive. thanks for joining us today on "up." join us tomorrow morning at 8:00 for a look at the world's love affair w